Electronic book



FIG. 1 is a perspective view of an electronic book showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a perspective view thereof showing the electronic book unfolded for use.

Broken lines shown in the drawings illustrate portions of the electronic book, and form no part of the claimed design. 

The ornamental design for an electronic book, as shown. 